Other questions in this quiz

2. What is the trough on a wave?

  • the lowest point on a wave
  • the highest point on a wave

3. What are lasers used for?

  • Carrying data through optic fibres
  • remote contols

4. What happens to a wave when it passes a doorway?

  • It defracts
  • It stops
  • It doesnt change

5. What does monochromatic mean?

  • 1 speed
  • 1 colour
  • 1 wavelength

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